Finding the Fourth Proportional to 20,126,670.34, 27,774,047.16 and 12,299,270.98
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Solution
The fourth proportional to 20,126,670.34, 27,774,047.16 and 12,299,270.98 is: 16,972,530.80
Step by Step Solution
- Step 1: Write the proportion equation
20,126,670.34 : 27,774,047.16 = 12,299,270.98 : x - Step 2: Convert to fraction form
20,126,670.34/27,774,047.16 = 12,299,270.98/x - Step 3: Cross multiply
20,126,670.34x = 27,774,047.16 × 12,299,270.98 - Step 4: Simplify right side
20,126,670.34x = 341,600,532,232,139.44 - Step 5: Solve for x
x = 341,600,532,232,139.44/20,126,670.34 - Step 6: Final answer
x = 16,972,530.80
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.